Between 1964 and 1965, the naked bodies of women began turning up along the River Thames in west London. The press, reaching back to an older nightmare, called the unknown killer “Jack the Stripper.” He left tiny flecks of industrial paint on his victims that pointed to a specific spray-paint shop, and detectives narrowed a list of thousands down to a handful before their prime suspect died — and the murders stopped. Officially, the Hammersmith nude murders were never solved.

Bodies by the River

Over roughly thirteen months, six women were found dead in or near the Thames in west London: Hannah Tailford, Irene Lockwood, Helen Barthelemy, Mary Fleming, Frances Brown, and Bridget “Bridie” O’Hara. All were sex workers, and all were discovered undressed, their clothing missing. They were among the most vulnerable people in the city — women whose disappearances, in that era, drew little urgency until the bodies began to accumulate.

The Paint That Almost Caught Him

The case’s most famous clue was almost microscopic. Detectives found tiny flecks of industrial spray paint on some of the victims’ skin. The flecks were eventually traced to a covered area near an electrical transformer on a trading estate in Acton — strong evidence that the killer had stored the bodies, at least briefly, near a particular paint-spraying operation. For the first time, the investigation had a real geography, narrowing the hunt to men with access to that specific industrial setting.

One of Scotland Yard’s Biggest Manhunts

What followed was an enormous dragnet. Thousands of men — by some accounts around seven thousand — were questioned, and police mounted nighttime surveillance across the area in the hope of catching the killer as he dumped a body. The list of serious suspects was gradually whittled down to a small handful. And then, abruptly, the murders stopped.

The Suspect Who Died

The lead detective later claimed that the case had effectively been solved — that the killer was a man who took his own life just as the investigation closed in, which was why no arrest was ever made. Over the years, several names have been attached to the case, including a Scottish security guard who died by suicide, a former boxing champion entangled with London’s underworld, and a notorious early child-killer who had reportedly worked with paint. None of these theories has ever been proven, and the official record remains open.

Why This Case Still Matters

The Hammersmith nude murders remain the largest unsolved serial murder case in British police history, and yet they are far less famous than the Victorian crimes whose nickname they borrowed. Part of the reason is who the victims were: poor, marginalized women whose lives the wider public was quick to overlook, both in 1965 and in the decades since.

Much of the physical evidence is now believed to have been lost or destroyed, which means the paint flecks that once promised a solution will likely never lead to one. The women — Hannah, Irene, Helen, Mary, Frances, and Bridie — are owed a name for their killer that the case may never deliver.

The paint on their skin nearly named him; a list of seven thousand men shrank to a few; and then the prime suspect was gone, and the killings simply ended. So did Jack the Stripper escape justice by dying first — or is his name still sitting, unrecognized, in a file of evidence that no longer exists?